MLNS notes: Recorded in the presence of Orcinus orca. Sighting #311 was noted in the sightings log at 8:44am; time on RDAT is 10:53am where sounds began occurring. Number of individuals, lat/lon, and Beaufort scale data taken from Marine Mammal Data (NOAA Technical Memorandum NOAA-TM-NMFS-SWFSC-359, March 2004). Confidence interval assigned by MLNS (90% with sighting data; 75% without). SEAOCEAN